William Milillo II

  • Rochester, NY
  • Physician assistant
NPI1457804254
Medicare patients, 2024
40
Part D claims, 2024
115
MIPS score, 2024
97
Hospital affiliations
1
Medical groups
4
Practice address
1425 Portland Avenue, Rochester, NY 14621
Practice phone
Call (585) 922-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rochester General Hospital

Hospital · Rochester, New York

See all 5 affiliations

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William Milillo II is a physician assistant in Rochester, New York

William Milillo practices at Rochester General Hospital in Rochester, New York, part of Rochester Regional Health.

William Milillo's NPI, 1457804254, was assigned on July 27, 2016. William Milillo holds New York license 019941.

NPI and contact details
NPI enumeration date
July 27, 2016
NPI status
Active
Practice phone
(585) 922-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

William Milillo II practices at Rochester General Hospital in Rochester, New York

William Milillo's primary practice is Rochester General Hospital, at 1425 Portland Avenue, Rochester, NY 14621 in Monroe County. The practice phone is (585) 922-4000.

Source: Dmand AI Affiliation Data

William Milillo II is affiliated with 1 site of care and 4 medical groups

William Milillo's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. The medical group on file is Rochester General Hospital. Dmand AI also links William Milillo to 3 more medical groups, each named with a free account.

See all 5 affiliations for William Milillo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William Milillo II's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Milillo practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rochester General HospitalAvailable with a free account
+3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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William Milillo II is one of 11,456 physician assistants in New York

Physician assistant is William Milillo's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Milillo is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 019941 · taxonomy 363A00000X

Physician assistants near William Milillo

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

William Milillo II treated 40 Medicare patients in 2024, average age 70

CMS counts 40 Medicare patients who saw William Milillo in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 55% have high cholesterol. 60% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Milillo's median patient age at 69, with 48% women.

Medicare patients, 202440
Average age70
Average risk score1.88
Also on Medicaid60%

William Milillo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Milillo's Medicare patients by sex, 2024

  • Women1845%
  • Men2255%

Chronic conditions among William Milillo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol55%
  3. Arthritis43%
  4. Depression35%
  5. Mood disorders35%
  6. Anxiety33%
  7. Atrial fibrillation33%
  8. Diabetes33%

Share of Medicare patients with each condition. A patient can have several.

William Milillo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women48%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

William Milillo II wrote 115 Medicare Part D claims in 2024

In 2024, William Milillo wrote 115 Medicare Part D claims for 71 patients. 96% of them were for generic drugs.

Part D claims, 2024115
Part D patients71

William Milillo's Part D claims by kind of drug, 2024

  • Generic110 claims96%
  • Brand-name and other5 claims4%

Drug classes CMS tracks in William Milillo's Part D claims, 2024

  • Antibiotics23%27 of 115 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

William Milillo II scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for William Milillo for performance year 2024, reported through an alternative payment model (APM).

William Milillo's MIPS scores, performance year 2024

  • 97of 100Final score
  • 74.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for William Milillo II's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William Milillo II

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William Milillo II's NPI number?

William Milillo II's NPI number is 1457804254. It was assigned on July 27, 2016, and it is active in the NPI Registry.

What does William Milillo II specialize in?

William Milillo II is a physician assistant in Rochester, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William Milillo II practice?

William Milillo practices at 1425 Portland Avenue, Rochester, NY 14621. William Milillo's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. Dmand AI also links William Milillo to 3 medical groups.

What is William Milillo II's office phone number?

The practice phone on file for William Milillo is (585) 922-4000.

What is William Milillo II's medical license number?

William Milillo holds New York license 019941.

Which hospitals is William Milillo II affiliated with?

William Milillo practices at Rochester General Hospital in Rochester, New York.

What medical group is William Milillo II part of?

William Milillo is linked to Rochester General Hospital. Dmand AI links William Milillo to 3 more medical groups.

What is William Milillo II's MIPS score?

William Milillo's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does William Milillo II see?

CMS counts 40 Medicare patients who saw William Milillo in 2024, with an average age of 70.

How long has William Milillo II been practicing?

William Milillo's NPI was assigned in 2016.

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